Hinge lock



FIG. 1 is a front perspective view of a hinge lock showing our newdesign as coupled to a multipurpose ladder in a stepladder position;

FIG. 2 is a perspective view of the hinge lock in an extension ladderposition;

FIG. 3 is a perspective view of the hinge lock in the stepladderposition;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof.

The broken lines shown in the figures are included for the purpose ofillustrating environment and form no part of the claimed design.

CLAIM The ornamental design for a hinge lock, as shown and described.